32.Cached and
interleaved memories are ways of speeding up memory access between CPU’s and
slower RAM. Which memory models are best suited (i.e. improves the performance
most) for which programs ?

(i) Cached memory is best suited for small loops.

(ii) Interleaved memory is best suited for small loops

(iii) Interleaved memory is best suited for large sequential code.

(iv) Cached memory is best suited for large sequential code.

(A) (i) and (ii) are true.

(B) (i) and (iii) are true.

(C) (iv) and (ii) are true.

(D) (iv) and (iii) are true.

Answer: B

33.Consider the
following page trace : 4,3, 2, 1, 4, 3, 5, 4, 3, 2, 1, 5. Percentage of page
fault that would occur if FIFO page replacement algorithm is used with number
of frames for the JOB m=4 will be

(A) 8 (B) 9

(C) 10 (D) 12

Answer: C

34.Check sum used
along with each packet computes the sum of the data, where data is treated as a
sequence of

(A) Integer (B)
Character

(C) Real numbers (D) Bits

Answer: D

35.If an integer
needs two bytes of storage, then the maximum value of a signed integer is

(A) 216 – 1 (B) 215 – 1

(C) 216 (D) 215

Answer: B

36.Which of the
following logic families is well suited for high-speed operations ?

(A) TTL (B) ECL

(C) MOS (D) CMOS

Answer: B

37.Interrupts
which are initiated by an instruction are

(A) Internal (B)
External

(C) Hardware (D)
Software

Answer: D

38.printf(“%c”,
100);

(A) prints 100

(B) prints ASCII equivalent of 100

(C) prints garbage

(D) none of the above

Answer: B

39.For the
transmission of the signal, Bluetooth wireless technology uses